Home / 648,322.31-893,853.06-531,605.81

Finding the Fourth Proportional to 648,322.31, 893,853.06 and 531,605.81

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Solution

The fourth proportional to 648,322.31, 893,853.06 and 531,605.81 is: 732,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,322.31 : 893,853.06 = 531,605.81 : x
  2. Step 2: Convert to fraction form
    648,322.31/893,853.06 = 531,605.81/x
  3. Step 3: Cross multiply
    648,322.31x = 893,853.06 × 531,605.81
  4. Step 4: Simplify right side
    648,322.31x = 475,177,479,982.28
  5. Step 5: Solve for x
    x = 475,177,479,982.28/648,322.31
  6. Step 6: Final answer
    x = 732,934.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.